New digital model helps crack the mystery of cell enlargement

Imagine that the rubber band becomes fat when stretched and becomes thinner when contracted. The material called cell enlargement actually exists, but scientists can't figure out how they work. Now, a new mathematical model may be able to help. The researchers say the model accurately predicts the properties of these materials and opens the door to their broad application prospects, including bandages that can be administered when the wound expands, and earthquake-resistant building structures.

As early as a century ago, the German physicist Woldemar Voigt discovered cell enlargers in pyrite crystals. His research found that these crystals can become thicker when stretched. Voigt couldn't explain this strange phenomenon, and there was no practical application at the time, so the researchers ignored the study for decades.

Scientists turned their attention to cell enlargers in the 1980s. Researchers have begun to synthesize materials with cell-enhancing properties, such as cellular polymeric foams, which can become larger after being torn, and scientists are also investigating how to take advantage of this feature. Researchers have found that cell enlargers are also well-suited for absorbing sound, vibration, and collisions, making them an excellent candidate for insulation, shock absorption, and automotive cushioning materials.

In a paper published on the online edition of the Journal of the Journal of the British Society on August 4th, scientists at the University of Malta presented a general mathematical model of the properties of cell enlargers. The author, mathematician and chemist Joseph Grima said that the model Zui finally clarified what happened when a cell enlargement material was stretched. The model is based on a cell enlargement agent whose structure consists of a rectangular and/or square array connected to each other. The model reveals that when a material is stretched, a rectangular structure—called a rigid rotating substructure—rotates relative to another rectangle, reducing the density of the material, but at the same time increasing the thickness of the material. Grima explained that this model can predict the cell augmentation properties of any material.

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